the use of movements (especially of the hands) to communicate familiar or prearranged signals
a natural event that involves a change in the position or location of something
a change of position that does not entail a change of location
consider in detail and subject to an analysis in order to discover essential features or meaning
be a student; follow a course of study; be enrolled at an institute of learning
give careful consideration to
a written document describing the findings of some individual or group
